81683312

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{52631}}^1$

素因数の和:52736

約数の個数: 20

約数和(自身を含む): 159896016

約数和(自身を除く): 78212704

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 52631, 105262, 210524, 421048, 842096, 5105207, 10210414, 20420828, 40841656, 81683312]

約数ペア:

[(1, 81683312), (2, 40841656), (4, 20420828), (8, 10210414), (16, 5105207), (97, 842096), (194, 421048), (388, 210524), (776, 105262), (1552, 52631)]